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【单选题】
曲线y=x^2+x-2在点（ ）处的切线方程为（ ）A.
16x-4y-17=0
B.
16x+4y-31=0
C.
2x-8y+11=0
D.
2x+8y-17=0
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反馈参考答案：
举一反三
【单选题】第二册单选 Unit2 I had neither a raincoat nor an umbrella. _______ I got wet through.
A.
It’s the reason
B.
That’s why
C.
There’s why
【简答题】请设计中班诗歌“小花伞”教学目标
【单选题】第二册单选 Unit2 The doctor insisted that her mother _______ examined thoroughly.
A.
would be
B.
must be
C.
be
【单选题】第二册单选 Unit2 I am wondering _______ so many students are absent from school today.
A.
that
B.
why
C.
what
【单选题】The process of translating the qualitymangement plan into executable quality activities that incorporate theorganization's quality policies into the project.
A.
Manage quality
B.
Quality audit
C.
Quality metrics
D.
Quality improvement
【单选题】I had to buy ____ these books because I didn't know which one was the best. [ ]
A.
both
B.
none
C.
neither
D.
all
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